It was Menicucci who created the black crocodile “Bund” strap that adorned Paul Newman’s Rolex Daytona, Ref. 6239, which sold last year for a record $17.8 million.

Colorful leather straps lend an L.A. look to the heirlooms A company called laCalifornienne is marketing restored Rolex and Cartier watches that feature colorful faces and hand-painted leather bands.